DE2714132C3 - - Google Patents

Info

Publication number
DE2714132C3
DE2714132C3 DE19772714132 DE2714132A DE2714132C3 DE 2714132 C3 DE2714132 C3 DE 2714132C3 DE 19772714132 DE19772714132 DE 19772714132 DE 2714132 A DE2714132 A DE 2714132A DE 2714132 C3 DE2714132 C3 DE 2714132C3
Authority
DE
Germany
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE19772714132
Other versions
DE2714132B2 (en
DE2714132A1 (en
Inventor
Siegfried Ing. Guntersdorfer (Grad.), 8021 Sauerlach
Klaus Ing.(Grad.) 8035 Gauting Walla
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE19772714132 priority Critical patent/DE2714132C3/de
Publication of DE2714132A1 publication Critical patent/DE2714132A1/en
Publication of DE2714132B2 publication Critical patent/DE2714132B2/de
Application granted granted Critical
Publication of DE2714132C3 publication Critical patent/DE2714132C3/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Interconnection arrangements not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic
    • H04M9/10Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic with switching of direction of transmission by voice frequency
DE19772714132 1977-03-30 1977-03-30 Expired DE2714132C3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772714132 DE2714132C3 (en) 1977-03-30 1977-03-30

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19772714132 DE2714132C3 (en) 1977-03-30 1977-03-30
IT2147178A IT1093691B (en) 1977-03-30 1978-03-22 A circuit arrangement for a telephone set equipped with a speaker and commanded by the voice
FI780951A FI64730C (en) 1977-03-30 1978-03-29 Foerfarande vid en talstyrd hoegtalartelefonapparat
BR7801935A BR7801935A (en) 1977-03-30 1978-03-29 Process for a speaker phone, voice-controlled
AU34606/78A AU501638B1 (en) 1977-03-30 1978-03-30 Speech controlled loud-speaking
BE186434A BE865523A (en) 1977-03-30 1978-03-30 Implementation Method of a control intercom speech

Publications (3)

Publication Number Publication Date
DE2714132A1 DE2714132A1 (en) 1978-10-05
DE2714132B2 DE2714132B2 (en) 1979-06-13
DE2714132C3 true DE2714132C3 (en) 1980-02-07

Family

ID=6005133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772714132 Expired DE2714132C3 (en) 1977-03-30 1977-03-30

Country Status (6)

Country Link
AU (1) AU501638B1 (en)
BE (1) BE865523A (en)
BR (1) BR7801935A (en)
DE (1) DE2714132C3 (en)
FI (1) FI64730C (en)
IT (1) IT1093691B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332305A1 (en) * 1983-09-07 1985-04-04 Siemens Ag Method of controllably attenuating digital signals
DE3908282A1 (en) * 1989-03-14 1990-09-20 Siemens Ag Speak direction detection in a digital telephone station
DE3908283A1 (en) * 1989-03-14 1990-09-20 Siemens Ag Control of voice-controlled speech direction identification
DE3919345A1 (en) * 1989-06-13 1990-12-20 Siemens Ag Attenuation control circuit for hands-free telephone station - has extra second comparator, whose minus input is coupled to tap for meter value
DE4012354A1 (en) * 1990-04-18 1991-10-24 Siemens Ag Damping regulation system for hands-free telephone - has switching between 2 different pairs of measuring points dependent on speech direction

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027343B1 (en) * 1979-10-11 1983-05-11 The Marconi Company Limited A voice detector
DE3148305C2 (en) * 1981-12-03 1988-02-04 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin, De
US4715062A (en) * 1985-03-22 1987-12-22 Tie/Communications, Inc. Speakerphone control circuit having low gain states and method for controlling gain of speakerphone
DE3541794A1 (en) * 1985-11-26 1987-05-27 Siemens Ag Voice control in a telephone station
DE3728109C1 (en) * 1987-08-22 1989-03-16 Telefonbau & Normalzeit Gmbh Method for voice-controlled attenuation control in telephone transmission circuits
DE19525705A1 (en) * 1995-07-14 1997-01-16 Bahram Adniazar Optical wave guide telephone set - has automatic switching within each telephone device between transmission and reception modes depending on received speech signals

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332305A1 (en) * 1983-09-07 1985-04-04 Siemens Ag Method of controllably attenuating digital signals
DE3908282A1 (en) * 1989-03-14 1990-09-20 Siemens Ag Speak direction detection in a digital telephone station
DE3908283A1 (en) * 1989-03-14 1990-09-20 Siemens Ag Control of voice-controlled speech direction identification
DE3919345A1 (en) * 1989-06-13 1990-12-20 Siemens Ag Attenuation control circuit for hands-free telephone station - has extra second comparator, whose minus input is coupled to tap for meter value
DE4012354A1 (en) * 1990-04-18 1991-10-24 Siemens Ag Damping regulation system for hands-free telephone - has switching between 2 different pairs of measuring points dependent on speech direction

Also Published As

Publication number Publication date
BE865523A (en) 1978-10-02
FI64730B (en) 1983-08-31
DE2714132B2 (en) 1979-06-13
BE865523A1 (en)
FI780951A (en) 1978-10-01
IT7821471D0 (en) 1978-03-22
IT1093691B (en) 1985-07-26
DE2714132A1 (en) 1978-10-05
AU501638B1 (en) 1979-06-28
FI64730C (en) 1983-12-12
BR7801935A (en) 1979-05-22

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee